is there any way to get NM to store WEP keys without using a keyring?

[Richard Neill <rn214 hermes cam ac uk>]

Dear All,

Am trying to get a set of laptops preconfigured for various wifi 
networks and WEP keys. I've set the laptops to autologin, but now 
gnome's keyring is prompting for a password every time, which rather 
defeats the purpose; it also means that an unattended or remote reboot 
will not come back online. How can I get NM to treat WEP keys as 
"world-readable" on this computer?

Thanks,

Richard